Home / 3,321,421.10-4,982,131.65-1,641,805.10

Finding the Fourth Proportional to 3,321,421.10, 4,982,131.65 and 1,641,805.10

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Solution

The fourth proportional to 3,321,421.10, 4,982,131.65 and 1,641,805.10 is: 2,462,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,421.10 : 4,982,131.65 = 1,641,805.10 : x
  2. Step 2: Convert to fraction form
    3,321,421.10/4,982,131.65 = 1,641,805.10/x
  3. Step 3: Cross multiply
    3,321,421.10x = 4,982,131.65 × 1,641,805.10
  4. Step 4: Simplify right side
    3,321,421.10x = 8,179,689,151,841.42
  5. Step 5: Solve for x
    x = 8,179,689,151,841.42/3,321,421.10
  6. Step 6: Final answer
    x = 2,462,707.65

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.